package org.owasp.webgoat.container;

import org.owasp.webgoat.container.lessons.LessonConnectionInvocationHandler;
import org.springframework.jdbc.datasource.ConnectionProxy;

import javax.sql.DataSource;
import java.io.PrintWriter;
import java.lang.reflect.Proxy;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.SQLFeatureNotSupportedException;
import java.util.logging.Logger;

public class LessonDataSource implements DataSource {

    private final DataSource originalDataSource;

    public LessonDataSource(DataSource dataSource) {
        this.originalDataSource = dataSource;
    }

    @Override
    public Connection getConnection() throws SQLException {
        var targetConnection = originalDataSource.getConnection();
        return (Connection) Proxy.newProxyInstance(
                ConnectionProxy.class.getClassLoader(),
                new Class[]{ConnectionProxy.class},
                new LessonConnectionInvocationHandler(targetConnection));
    }

    @Override
    public Connection getConnection(String username, String password) throws SQLException {
        return originalDataSource.getConnection(username, password);
    }

    @Override
    public PrintWriter getLogWriter() throws SQLException {
        return originalDataSource.getLogWriter();
    }

    @Override
    public void setLogWriter(PrintWriter out) throws SQLException {
        originalDataSource.setLogWriter(out);
    }

    @Override
    public void setLoginTimeout(int seconds) throws SQLException {
        originalDataSource.setLoginTimeout(seconds);
    }

    @Override
    public int getLoginTimeout() throws SQLException {
        return originalDataSource.getLoginTimeout();
    }

    @Override
    public Logger getParentLogger() throws SQLFeatureNotSupportedException {
        return originalDataSource.getParentLogger();
    }

    @Override
    public <T> T unwrap(Class<T> clazz) throws SQLException {
        return originalDataSource.unwrap(clazz);
    }

    @Override
    public boolean isWrapperFor(Class<?> clazz) throws SQLException {
        return originalDataSource.isWrapperFor(clazz);
    }
}
